In Living With Difficult People Including Yourself , the author of EMETT, Emotional maturity Established Through Torah, makes practical suggestions for coping with stressful situations, and overcoming issues such as the tendency to be overly critical of others and oneself.
I'm so not the 'let's categorize everyone into neat little boxes' type which is why I resisted this one, but curiousity got the better of me, and it was surprisingly effective (ok, I was sixteen at the time, but still). There's what to be said for viewing people in the prism of common pathologies and learning to empathize with them, all the while trying to avoid the danger that comes along with that as well. Worth a quick scane, I'd say. (and hey, it's a world where you can tell people you're a 'four'. That's hard to come by.)